SM-BB72-41B Press Fit BB86Regular price $45.00 CAD
There’s nothing worse than a bad bike fit, except maybe an ill-fitting kit. More on that later…
Look, we get it, buying a bike online can be a hassle and we want to make it easy for you. Which is why we guarantee your bike will fit you straight out of the box when you purchase with our Virtual Bike Fit program.
All bikes purchased after a Virtual Bike Fit are guaranteed to fit.
*Multiple items in each category incur a charge per item.
**Oversized items include wheels, trainers, work stands, car racks, and various other items.
Please note: Trainer Bikes are shipped and delivered on a pallet.
Full shipping & return details here.
Shimano spends considerable time making certain that it's bottom brackets use only the best, silky-smooth bearings, advanced sealing, and high manufacturing tolerances.
Such is the case with its new Ultegra SM-BB72-41B PressFit Bottom Bracket design. Where a typical road bike has a 68 or 70mm bottom bracket shell width, a BB86-equipped frame has a shell that measures 86.5mm wide. A BB86 shell lacks internal threads and has a 41mm inside diameter.
1 - Optimum power transfer
2 - DURA-ACE proven 4-arm design:Equal stiffness and lighter weight
3 - 14 g lighter weight and half the friction of the SM-BB6700, while maintaining the same durability
Variety choice of gearing: 53-39T/52-36T/50-34T/46-36T
Weight: 77 g (SM-BBR60) 69 g (SM-BB72-41B)